The author of the post, Mary, quoted a 2001 interview by Nick Gevers, a science fiction editor and critic:

[Gevers asks] Who, for you, are the finest SF authors now writing — both your fellow feminist writers and more generally?

[Le Guin answers] First I am to list fellow feminists and then… non-fellow anti-feminists? Come on, Nick, let’s get out of the pigeonholes. If feminism is the idea that differences between the genders, beyond the strictly physiological, are an interesting subject of study, but have not been determined, and so are not a sound basis for society to use in prescribing or proscribing any proclivity or activity — which is what I think it is — then I probably don’t read any non-feminist SF writers, these days. Do you?

Who else can merge biting wit, humor, and dazzling leaps of theory in just one sentence like that? Yes, my favorite author.